i've been a superintendent for 30 some years at many different park service units across the united states. the only time i've ever had a break is when i was on maternity leave. i have retired from doing this one thing that i loved. now, i'm going to be able to have the time to explore something different. it's like another chapter. >>> we have become used to the question, cash or credit when you make a purchase. some places will go as far as let you use a check. prepaid cash cards or prepaid cards are really becoming a popular way to pay for stuff. do you know what you're getting into, though, if you decide to use them? alison kosik does and she is here live to give us the pros and cons of pulling out that plastic. >> ashley, these prepaid cards, they can be a risky thing, still they are becoming more and more popular every day. a new report from a few charitable trusts says that in 2009 americans loaded almost $28 billion onto prepaid cards and next year the number is expected to top $200 billion. now, they work a lot like debit kwards, but there is one big problem with them. they come w